3Com PSE2500-A3 Connecting to AC utility/ AC grounding, Initial Start-up, Powering on the Device

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User Manual

Chapter 4 Installation and

PSE2500-A3 External PoE

Power System

Debugging

4.6 Connecting to AC utility/ AC grounding

The AC main inputs can be accessed from the back of the unit. Recommended IEC 320C-19 plug/socket and appropriate cable for AC input connection.

AC cable for branch circuit must be sized as required by the U.S. National Electric Code (the cable length shall be minimum 1.5m and not exceed 4.5m) and /or local codes.

Power plugs for the equipment appliance inlet must be plugged into independent wall socket outlet to ensure the earth connection through the supply. The socket outlet shall be installed near the equipment and shall be easily accessible.

The AC utility connection must follow this procedure:

1)Turn off the AC input switch.

2)Plug the AC input power cord into the corresponding AC socket.

For related connection position see figure 4-4.

4.7 Initial Start-up

The device is ready to be powered up. First, verify that all AC branch circuit breakers are OFF.

4.8 Powering on the Device

zEnsure that all rectifiers are locked into position in the bracket with the front handle.

zTurn the AC service circuit breakers ON.

zTurn the AC branch circuit breakers ON.

1)Turn the AC switches of rectifiers ON.

4-7

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Contents PSE2500-A3 External PoE Power System Technical Support Chapter Contents About This ManualConvention Description Boldface Convention DescriptionEnvironmental Protection Table of Contents Engineering Maintenance and Troubleshooting Description Standard Configuration Architecture and ConfigurationsIntroduction Description Standard Configuration Features 2PSE2500-A3 configuration3PSE2500-A3 configuration System Description OverviewFault Green Red ConditionController 2Front panel of the rectifierMonitoring the system operation status II. Communicate with deamon systemsRS232 Pin Definition RS485 Pin DefinitionDC Distribution Unit AC Distribution UnitPin Definition Safety Safety StatementsPSE2500-A3 External PoE Power System Safety Precautions PSE2500-A3 External PoE Power System Safety Installation and Debugging IntroductionSafety Physical Mounting Installing Rectifiers 1Physical installation2Installing rectifiers Frame GroundingLoad Connections 3Frame groundingPowering on the Device Connecting to AC utility/ AC groundingInitial Start-up PSE2500-A3 External PoE Maintenance and Troubleshooting Engineering Maintenance TroubleshootingLED Indication Controller Rectifier Possible Alarm Display Problems Status Possible solutionController Rectifier Possible Regulatory compliance standardsDiscipline Standards